21971174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4649}}^1$

素因数の和:4807

約数の個数: 16

約数和(自身を含む): 35154000

約数和(自身を除く): 13182826

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4649, 4726, 9298, 79033, 158066, 646211, 1292422, 10985587, 21971174]

約数ペア:

[(1, 21971174), (2, 10985587), (17, 1292422), (34, 646211), (139, 158066), (278, 79033), (2363, 9298), (4649, 4726)]